/ Knowledge Base - EN / By
模型製作, 模型生產, 治具製作廠商, 模具製作廠商, 測試治具製作, 產品模型製作, 模型製作公司, 塑膠模型製作, 模型 翻模, 公仔模型製作, 公仔生產, 客 製 化模型 公仔, 樹脂公仔製作, 矽膠模具製作, pvc模型製作, 金屬模具製作, 模具製作廠商, 簡易模具製作, 塑膠模具製作流程, 矽膠模具製作, 模具開發流程, 模具設計, 塑膠模具製作流程, 模具加工流程, 汐紫模型, 3d列印代工推薦, 3d列印矽膠模具, 橡膠3d列印, 3d列印翻模, 矽膠 翻模 代 工, 3D 列印 代工 學生, 光固化代印價格, 3d列印模型, 3d列印模型製作, 3d列印公仔, 3d列印圖檔製作, 3d列印廠商, 大型3d列印代工

Why does metal die casting have a minimum order quantity (MOQ) restriction?

模型製作, 模型生產, 治具製作廠商, 模具製作廠商, 測試治具製作, 產品模型製作, 模型製作公司, 塑膠模型製作, 模型 翻模, 公仔模型製作, 公仔生產, 客 製 化模型 公仔, 樹脂公仔製作, 矽膠模具製作, pvc模型製作, 金屬模具製作, 模具製作廠商, 簡易模具製作, 塑膠模具製作流程, 矽膠模具製作, 模具開發流程, 模具設計, 塑膠模具製作流程, 模具加工流程, 汐紫模型, 3d列印代工推薦, 3d列印矽膠模具, 橡膠3d列印, 3d列印翻模, 矽膠 翻模 代 工, 3D 列印 代工 學生, 光固化代印價格, 3d列印模型, 3d列印模型製作, 3d列印公仔, 3d列印圖檔製作, 3d列印廠商, 大型3d列印代工

Why does metal die casting have a minimum order quantity (MOQ) restriction?

Introduction

When customers prepare to order metal die casting for mass production, a common question they encounter is, “I’ve already paid for the most expensive molds, but the factory won’t produce just a few hundred pieces, instead requiring a minimum order quantity (MOQ)?” The MOQ isn’t an arbitrary threshold; it’s deeply embedded in the economic and physical laws of the metal die casting process, an unavoidable law.

Core Reason: High Fixed Startup Costs

If you’re familiar with plastic injection molding, you might think the preparatory work for metal die casting is similar. However, the two are actually quite different. Plastic injection molding is like working in a precision kitchen, while metal die casting is more like a small “steel mill,” involving exponentially more energy, high temperatures, and safety levels.

Before a die casting machine can produce its first qualified part, a vast and expensive series of preparatory steps must be in place. These costs remain virtually constant, whether you’re producing 500 or 50,000 pieces.

What are the staggering startup costs?

  • The enormous energy required to power up the furnace: Factories must power up large industrial furnaces to heat hundreds of kilograms of metal ingots from room temperature to a molten state exceeding 660°C. This process takes hours and consumes an incredible amount of energy. To maintain stable production, the furnaces must maintain constant heat throughout the production cycle; they cannot be turned on or off briefly for small orders.
  • Installing and preheating the steel molds: Die-casting molds are fortresses of steel weighing several tons. To prevent damage from the impact of hot molten metal, the entire mold must be preheated to a stable operating temperature of hundreds of degrees Celsius, which also requires considerable time and energy. Hanging and attaching the hot molds to the die-casting machine is a time-consuming, highly skilled, and dangerous operation.
  • Process stability and material loss: The initial dozens or even hundreds of shots are all about stabilizing the process, requiring technicians to constantly adjust various parameters. During this stage, a large amount of raw metal becomes scrap and needs to be recycled and remelted, which also wastes material and energy.

How MOQ Determines Your Costs

  • Simply put, MOQ is the minimum quantity a factory must produce to break even on all the fixed startup costs mentioned above.
  • Assume the total startup cost of a die-casting run is NT$50,000, and the factory earns a gross profit of NT$20 per unit. Therefore, the factory needs to produce at least 2,500 units (50,000 divided by 20) to just cover the cost of starting the furnace. These 2,500 units are the MOQ for this run. If only 500 units are produced, the factory will incur a net loss of NT$40,000 on this order.

Conclusion

Metal die-casting is an extreme process designed for economies of scale. It trades high upfront investment (tooling costs and startup costs) for unparalleled production speed and low unit costs at high volumes.

MOQ is not a limitation; it is a scientific, cost-effective threshold. This ensures the factory’s sustainable operations. Only by passing this threshold can the factory offer the most competitive mass production pricing to clients who meet MOQs. For metal prototypes requiring only a few to dozens of pieces, CNC machining services are a more suitable option, as they avoid mold and MOQ restrictions.